What is Karthikeyan Ananthasubramaniam's specialty?

Karthikeyan Ananthasubramaniam (NPI 1801964333) is a Medicare-billing provider whose primary specialty is Cardiology in Detroit, MI.

Where does Karthikeyan Ananthasubramaniam practice?

Karthikeyan Ananthasubramaniam practices in Detroit, MI, based on the location reported in the CMS Medicare provider datasets for NPI 1801964333.

How much does Medicare pay Karthikeyan Ananthasubramaniam?

Karthikeyan Ananthasubramaniam (NPI 1801964333) received approximately $64K in total Medicare Part B payments, serving 859 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1801964333

Karthikeyan AnanthasubramaniamM.D.

CardiologyDetroit, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,844

Unique beneficiaries

—

Total services

1,888

Distinct HCPCS

Medicare payment

$60K

Peer benchmark

Total Medicare services vs. 628 Cardiology providers in MI — above median (cohort median 1,777).

PRESCRIBING · PART D · 2024

Total Rx claims

1,876

Beneficiaries

—

Total drug cost

$5.9M

Distinct drugs

Brand share

30.7%

Top prescribed drugs

Atorvastatin Calcium244 claims

Metoprolol Succinate193 claims

Tafamidis140 claims

Apixaban118 claims

Losartan Potassium109 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$10K

Payment records

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$5K

Consulting Fee$3K

Honoraria$2K

Food and Beverage$783

Top paying entities

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$5K

Consulting Fee$3K

Honoraria$2K

Food and Beverage$783

REFERRAL NETWORK

Where Karthikeyan Ananthasubramaniam's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 87 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
HENRY FORD HEALTH SYSTEM	558	2,092
HENRY FORD HEALTH SYSTEM	505	1,285
James Mohyi Cardiology · Wyandotte, MI	112	218
Xiaoni Hong Diagnostic Radiology · Detroit, MI	68	110
Peter Feczko Diagnostic Radiology · Detroit, MI	64	110
Sujji Potlapally Diagnostic Radiology · Detroit, MI	62	96
Sherif Ibrahim Diagnostic Radiology · Wayne, MI	59	103
Monik Lala Diagnostic Radiology · Detroit, MI	58	101
Thomas Song Diagnostic Radiology · Detroit, MI	57	96
Jeffrey Nadig Diagnostic Radiology · Detroit, MI	55	98
Derrick Harper Diagnostic Radiology · Detroit, MI	54	84
Zachary Delproposto Diagnostic Radiology · Ann Arbor, MI	47	73

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events